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Film Former

POLYUREA CROSSPOLYMER-6

CAS 51852-81-4 Updated
72

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A highly crosslinked polyurea polymer that forms flexible, water-resistant films, popular in long-wear and nail products. Like all polyureas it is essentially inert once cured; the only practical concern is residual isocyanate if the polymer is poorly purified.

Function

FILM FORMING

Skin benefits

  • Forms flexible, durable films on nails and skin
  • Improves wear and water resistance
  • Helps suspend pigments and active ingredients

Known concerns

  • Residual isocyanate / urea monomer concern if purification poor
  • Limited specific toxicology — niche cosmetic polymer

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related film formers

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.